Bruce Cockburn,"If I Had a Rocket Launcher '

Finally found right song. 

"Arm the Homeless," Tom Morello

I'd Blow Them All Away:" Starting with the NRA

Coffee Does a Body Good; Rocket Launchers Not So Much

Totally taken from the Earthbound Misfit.  Really like her from her writing except insane to me insistence any weapons moderation measures will lead to eventual confiscation of all firearms.  As if outlawing private ownership of bazookas and flame throwers amounts to a bad thing.

Of course, wish I had a rocket launcher on some days.